package com.web.dao;

import com.web.pojo.Department;
import com.web.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

@Repository
public class EmployeeDao {
    //模拟数据库中的数据
    private static Map<Integer, Employee> employees;
    //员工所属的部门
    @Autowired
    private  DepartmentDao departmentDao;

    //员工所属的部门
//    静态代码块先加载，所以获取不了部门类的值
    static {
        employees = new HashMap<>();
        employees.put(1001, new Employee(1001, "AA", "1622840727@qq.com", 1, new Department(101,"教学部")));
        employees.put(1002, new Employee(1002, "BB", "1622840727@qq.com", 0, new Department(102,"市场部")));
        employees.put(1003, new Employee(1003, "CC", "1622840727@qq.com", 1, new Department(103,"教研部")));
        employees.put(1004, new Employee(1004, "DD", "1622840727@qq.com", 0, new Department(104,"运营部")));
        employees.put(1005, new Employee(1005, "EE", "1622840727@qq.com", 1, new Department(105,"后勤部")));
    }

    //主键自增
    private static Integer ininId = 1006;

    //    增加一个员工
    public void save(Employee employee) {
        if (employee.getId() == null) {
            employee.setId(ininId++);
        }
//        设置部门,通过员工所属部门的部门id获取值
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(), employee);
    }

    //查询全部的员工
    public Collection<Employee> getALL() {
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id) {
        return employees.get(id);
    }

    //删除一个员通过id
    public void delete(Integer id) {
        employees.remove(id);
    }
    //测试一下能不能拿到员工部门
    public void test(){
        Department departmentById = departmentDao.getDepartmentById(103);
        System.out.println(departmentById);
    }
}
